Three things that need to go right ...

D. Ross Cameron, MCT

2. GET THE OFFENSIVE LINE TO THE SECOND LEVEL. The 49ers have the top-ranked run defense in football and a big reason for that is they have arguably the games best linebacker tandem in Patrick Willis (above middle) and NaVorro Bowman (above right), who are both top 10 in the NFL in tackles. The Ravens have to get a body on both to give Ray Rice room to operate.

2. GET THE OFFENSIVE LINE TO THE SECOND LEVEL. The 49ers have the top-ranked run defense in football and a big reason for that is they have arguably the games best linebacker tandem in Patrick Willis (above middle) and NaVorro Bowman (above right), who are both top 10 in the NFL in tackles. The Ravens have to get a body on both to give Ray Rice room to operate. (D. Ross Cameron, MCT)

2. GET THE OFFENSIVE LINE TO THE SECOND LEVEL. The 49ers have the top-ranked run defense in football and a big reason for that is they have arguably the games best linebacker tandem in Patrick Willis (above middle) and NaVorro Bowman (above right), who are both top 10 in the NFL in tackles. The Ravens have to get a body on both to give Ray Rice room to operate.